ben wedeman is in jerusalem for us this morning. he's joining us on the tone. ben, israeli troops are mobilizing for a possible ground attack. we were reporting that yesterday. where do things stand right now? >> the latest is that the israeli army has called up 16,000 reservists in possible preparation for a ground offensive. you remember during 2008, 2009 gaza war, israel sort of softened up targets in gaza before actually sending troops inside. so it takes time to mobilize those forces to get them ready. we're hearing that the roads in israel going in the direction of gaza, there are a lot of tanks being moved, other material being moved to the area around the gaza strip. certainly, if you listen to what israeli officials say, they're definitely putting it that ground offensive is if not highly unlikely, a high probability. this is what one said. >> hamas are the enemies of peace, not just the enemies of israel. to peace both internally on the palestinian side and between palestinians and israel. we're targeting that military infrastructure so we will be abl